Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7052787 | Solid high polymer type fuel cell power generating device | Osamu Tajima, Katsuya Oda, Tatsuji Hatayama, Ryuji Yukawa, Taketoshi Ouki +7 more | 2006-05-30 |
| 6080500 | Movable fuel cell apparatus | Akira Fuju, Yosio Azegami, Nobuyoshi Nishizawa, Akio Kawakami, Taketoshi Ouki +5 more | 2000-06-27 |